General Science Objective Questions and Answers for Competitive Exams

Questions

51 Diphtheria is a caused by a particular germ causing sorethroat and it results is:

A loosness of bowels

B Throttling

C Loss of memory

D Suffocation

Answer: Option [D]

52 Normally the pulse rate of a healthy body is:

A The same as the vein beat

B The same as the rate of heart beat

C Slower than heart beat

D Faster than heart beat

Answer: Option [B]

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53 Sleeping under the trees at night is harmful but not during day time - why ?

A Tree gives out harmful gasses at night

B Tree may not fall

C During day time they liberate O₂ and during night CO₂

D During night time they liberate carbon-dioxide

Answer: Option [C]

54 Vitamins are natural substances present in various food stuffs and are used to:

A Purify the blood

B Cure deficiency disease

C Repair the tissue

D Give heat and energy

Answer: Option [B]

55 Of the following, the only metal that is produced directly from its ore by an elecrtical process is:

A Aluminium

B Copper

C Zirconium

D Steel

Answer: Option [A]